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Reports characters in property files that are unsupported by the ISO-8859-1 charset when Java 1.8 or earlier is used.
The inspection checks if a property file contains characters that cannot be mapped to ISO-8859-1 and suggests converting them to Unicode escape sequences for compatibility.
<p>Configure the inspection:</p>
<p>
  Use the <b>Convert to escape sequences</b> quick-fix to ensure compatibility with ISO-8859-1 encoding:
</p>

<p><b>Example:</b></p>
<pre><code>
  key=Java + ☕ = 🍀
</code></pre>
<p>After the quick-fix is applied:</p>
<pre><code>
  key=Java + \u2615 = \uD83C\uDF40
</code></pre>
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